From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pat Erley <pat-lkml@erley.org>
Date: Wed, 06 May 2009 16:08:03 -0400
Subject: [ath9k-devel] DHCP Fails to Pass Through AP
In-Reply-To: <7413482.6031241564924522.JavaMail.james@prod3.pk.lan>
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To: ath9k-devel@lists.ath9k.org

Jason Daly wrote:
> Thanks for the reply.
> 
> After further analysis and testing it appears that this issue lays with 
> the ath9k driver and not with hostapd.  I replaced my ar54xx card with a 
> b43 card and the access point now works without issue (DHCP passes 
> through without issue).  I made no other changes in my setup (other than 
> updating hostapd.conf to reference wlan1 instead of wlan0).
> 
> It may be that certain bits aren't relayed by the ath9k driver -- ones 
> required by MS wireless clients.

What's the dmesg output and/or the lspci output for this card?

I have dhcp+ath9k working with:

Atheros AR9280 MAC/BB Rev:2 AR5133 RF Rev:d0

and 

Atheros AR5416 MAC/BB Rev:2 AR2133 RF Rev:81

That is with:

 Windows XP
 Linux
 Windows Mobile
 Windows 98 (yes, I still have a Win98 box around...)
 PS3
 iPhone

Clients, using wpa and/or wpa2, 802.11n enabled, running on multiple VIFs.  
I'm not running the VIFs bridged with wired though.

Pat Erley